Select the correct volume. The volume of a cube is given by s9, where s is the side length of the cube. What is the difference of the volumes of two cubes with side lengths of 5 meters and 4 meters?
1 cubic meter
64 cubic meters
61 cubic meters
125 cubic meters

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?